Q: How to service and repair the exterior antenna of the audio and visual system on Scion xB?
A: To repair the exterior antenna of the audio-visual system, start by removing the roof headlining and instrument panel sub-assembly. Disconnect the connectors from the W/holder antenna assy, then remove 12 clamps and the securing bolt. Next, take out the W/holder antenna assy and finally, reinstall the roof headlining assembly.